%0 Journal Article %A S. S. Vinogradov %A Yu. A. Tuchkin %A V. P. Shestopalov %T On the theory of wave scattering on unclosed screens of spherical form %J Doklady Akademii Nauk %D 1981 %P 1346-1350 %V 256 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a15/ %G ru %F DAN_1981_256_6_a15